Emheater EM-GU Series, User Manual

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Table of Contents
1. Products Information ............................................................................................................................................... 1
1.1 Motor Soft Starter ............................................................................................................................................. 1
1.2 Technical Features ............................................................................................................................................. 1
1.3 Technical Specification ..................................................................................................................................... 1
2. Product Description and Installation........................................................................................................................ 2
2.1 Model Explanation ............................................................................................................................................ 2
2.2 Products Model and Installation Dimension ..................................................................................................... 2
2.3 Installation Environment ................................................................................................................................... 3
2.4 Installation requirement .................................................................................................................................... 3
2.5 Peripheral Devices Connection Diagram .......................................................................................................... 4
2.6 Description of control circuit terminals............................................................................................................. 5
3. Operation and Display ............................................................................................................................................. 6
3.1 Keypad and Operation ....................................................................................................................................... 6
3.2 Description of Function Parameters .................................................................................................................. 8
3.3 Fault Diagnosis and Solution .......................................................................................................................... 14
4. Test Run and Application ...................................................................................................................................... 16
4.1 Power on to Test Running ............................................................................................................................... 16
5.2 Special Application ......................................................................................................................................... 16
5. Online Soft Starter Cabinet .................................................................................................................................... 17
5.1 Product Function ............................................................................................................................................. 17
5.2 Products Structure and Installation ................................................................................................................. 17
5.3 Operation and Notice ...................................................................................................................................... 18
6. Modbus Communication Protocol ......................................................................................................................... 20
6.1 About Modbus RTU protocol .......................................................................................................................... 20
6.2 Bus Structure ................................................................................................................................................... 20
6.3 Abnormal Feedback ........................................................................................................................................ 21
Appendix I Function Code Table ............................................................................................................................... 22